[MODINVOSTO-187] Handle invoice line creation FK issue

src/main/java/org/folio/dao/lines/InvoiceLinesPostgresDAO.java

@@ -12,6 +12,7 @@
 import java.util.List;
 
 import static org.folio.rest.impl.InvoiceStorageImpl.INVOICE_LINE_TABLE;
+import static org.folio.rest.utils.ResponseUtils.convertPgExceptionIfNeeded;
 
 public class InvoiceLinesPostgresDAO implements InvoiceLinesDAO {
   private final Logger log = LogManager.getLogger();
@@ -29,6 +30,7 @@ public Future<List<InvoiceLine>> getInvoiceLines(Criterion criterion, Conn conn)
   public Future<String> createInvoiceLine(InvoiceLine invoiceLine, Conn conn) {
     log.trace("createInvoiceLine:: Creating invoice line: {}", invoiceLine);
     return conn.save(INVOICE_LINE_TABLE, invoiceLine)
+      .recover(t -> Future.failedFuture(convertPgExceptionIfNeeded(t)))
       .onSuccess(invoiceLineId -> log.info("createInvoiceLine:: Created invoice line with id: {}", invoiceLineId))
       .onFailure(t -> log.error("Failed to create invoice line: {}", invoiceLine, t));
   }